Thread: Pressure test coolant tank
View Single Post
Old 08-18-2024, 04:09 PM   #2
Coded4SS
 
Drives: 23 Zl1
Join Date: Apr 2019
Location: SO CAL
Posts: 461
When dealer pressure tested my car they did it at 10psi. Theres a tube between the tanks and at certain psi it passes through. 20 is probably too high
Coded4SS is offline   Reply With Quote